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Two New C20-Diterpenoid Alkaloids from Aconitum carmichaelii

✍ Scribed by Yong Shen; Ai-Xue Zuo; Zhi-Yong Jiang; Xue-Mei Zhang; Hong-Ling Wang; Ji-Jun Chen

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
176 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two new C~20~‐diterpenoid alkaloids, named aconicarchamines A and B (1 and 2, resp.), were isolated from Aconitum carmichaelii. By UV, IR, MS, and 1D‐ and 2D‐NMR analyses, their structures were elucidated as 14,17‐dihydro‐14,17‐dihydroxyajabicine and 15‐O‐acetyllassiocarpine. Compound 1 is the third C~20~‐diterpenoid alkaloid with the lycoctine skeleton bearing an exocyclic C‐atom at C(14).

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